JDA is an American software and consultancy company providing supply chain management, manufacturing planning, retail planning, store operations and collaborative category management solutions.

JDA Portfolio Merchandise Management puts you in control of your merchandising operations. It enables you to proactively implement pricing based on rules such as margin, competitive prices, vendor incentives, chain/zone/store overrides and promotional pricing by product hierarchy, attribute or vendor. It then automatically generates suggested changes, so you can evaluate the financial effects of planned price events prior to implementing.

A Java platform designed for the mainframe-scale computing typical of large enterprises. J2EE is designed to simplify application development in a thin client tiered environment and decreases the need for programming.

Jenkins is an open source continuous integration tool developed in Java to monitors executions of repeated jobs, such as building a software project or jobs run by cron. In building/testing a software project, Jenkins provides an easy-to-use so-called continuous integration system, making it easier for developers to integrate changes to the project, and making it easier for users to obtain a fresh build. The automated, continuous build increases the productivity. It also monitors executions of externally-run jobs, such as cron jobs and procmail jobs, even those that are run on a remote machine.

Jersey RESTful Web Services framework is open source, production quality, framework for developing RESTful Web Services in Java that provides support for JAX-RS APIs and serves as a JAX-RS (JSR 311 & JSR 339). Jersey provides it’s own API that extend the JAX-RS toolkit with additional features and utilities to further simplify RESTful service and client development. Jersey also exposes numerous extension SPIs so that developers may extend Jersey to best suit their needs.

 JING is a very easy to use screen capture application available from TechSmith.

Jira is a proprietary issue tracking product, developed by Atlassian. It provides bug tracking, issue tracking, and project management functions.

In voice over IP (VoIP), a jitter buffer is a shared data area where voice packets can be collected, stored, and sent to the voice processor in evenly spaced intervals. 

A language for describing jobs (units of work) to the MVS, OS/390, and VSE operating systems, which run on IBM's S/390 large server (mainframe) computers.

A subsystem of the OS/390 and MVS mainframe operating systems that manages jobs (units of work) that the system does. Each job is described to the operating system by system administrators or other users in job control language (JCL).

A methodology that involves the client or end user in the design and development of an application. The JAD approach is thought to lead to faster development times and greater client satisfaction.

A free and open source Content Management System (CMS), which enables you to build Web sites and powerful online applications.

A fault-resilient file system in which data integrity is ensured because updates to directories and bitmaps are constantly written to a serial log on disk before the original disk log is updated. 

A joystick is a cursor control device used in computer games and assistive technology. It is a hand-held lever that pivots on one end and transmits its coordinates to a computer. It often has one or more push-buttons, called switches.  

 JPanel is a container that is used to hold the 'widgets' of Swing. They are used to let the developer have more control over positioning and style of widgets on the screen, and to give a better structure to the code. 

A term for any graphic image file produced by using a JPEG standard. A JPEG file is created by choosing from a range of compression qualities.